From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx>
Now that some sizeof() calls can be parsed, create a unit test to test the
process_sizeof() algorithm.
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
utest/traceevent-utest.c | 88 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 88 insertions(+)
diff --git a/utest/traceevent-utest.c b/utest/traceevent-utest.c
index 4fc09e552ce4..954a592d5c3c 100644
--- a/utest/traceevent-utest.c
+++ b/utest/traceevent-utest.c
@@ -140,6 +140,45 @@ static char cpumask_##name##_event_data[] = { \
}
#endif
+#define SIZEOF_LONG4_FMT "int=4 unsigned=4 unsigned int=4 long=4 unsigned long=4 long long=8 unsigned long long=8 s4=4 u4=4 s8=8 u8=8"
+#define SIZEOF_LONG8_FMT "int=4 unsigned=4 unsigned int=4 long=8 unsigned long=8 long long=8 unsigned long long=8 s4=4 u4=4 s8=8 u8=8"
+
+static const char size_of_event[] =
+ "name: sizeof_event\n"
+ "ID: 23\n"
+ "format:\n"
+ "\tfield:unsigned short common_type;\toffset:0;\tsize:2;\tsigned:0;\n"
+ "\tfield:unsigned char common_flags;\toffset:2;\tsize:1;\tsigned:0;\n"
+ "\tfield:unsigned char common_preempt_count;\toffset:3;\tsize:1;\tsigned:0;\n"
+ "\tfield:int common_pid;\toffset:4;\tsize:4;\tsigned:1;\n"
+ "\n"
+ "\tfield:int s4;\toffset:8;\tsize:4;\tsigned:1;\n"
+ "\tfield:unsigned int u4;\toffset:12;\tsize:4;\tsigned:0;\n"
+ "\tfield:long long s8;\toffset:16;\tsize:8;\tsigned:1;\n"
+ "\tfield:unsigned long long u8;\toffset:24;\tsize:8;\tsigned:0;\n"
+ "\n"
+ "print fmt: \"int=%d unsigned=%d unsigned int=%d long=%d unsigned long=%d long long=%d unsigned long long=%d s4=%d u4=%d s8=%d u8=%d\", "
+ "sizeof(int), sizeof(unsigned), sizeof(unsigned int), sizeof(long), sizeof(unsigned long), "
+ "sizeof(long long), sizeof(unsigned long long), sizeof(REC->s4), "
+ "sizeof(REC->u4), sizeof(REC->s8), sizeof(REC->u8))\n";
+static char sizeof_data[] = {
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+ /* common type */ 23, 0x00,
+#else
+ /* common type */ 0x00, 23
+#endif
+ /* common flags */ 0x00,
+ /* common_preempt_count */ 0x00,
+ /* common_pid */ 0x00, 0x00, 0x00, 0x00,
+ /* irq */ 0x00, 0x00, 0x00, 0x00,
+
+ /* s4 */ 0x00, 0x00, 0x00, 0x00,
+ /* u4 */ 0x00, 0x00, 0x00, 0x00,
+ /* s8 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* u8 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+static void *sizeof_event_data = (void *)sizeof_data;
+
DECL_CPUMASK_EVENT_DATA(full, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff);
#define CPUMASK_FULL "ARRAY[ff, ff, ff, ff, ff, ff, ff, ff]"
#define CPUMASK_FULL_FMT "cpumask=0-63"
@@ -288,6 +327,51 @@ static void test_parse_cpumask_bytepn(void)
CPUMASK_BYTEPN, CPUMASK_BYTEPN_FMT);
}
+static void test_parse_sizeof(int long_size, int value, const char *system,
+ const char *test_str)
+{
+ struct tep_event *event;
+ struct tep_record record;
+ char *sizeof_event;
+ char *p;
+
+ tep_set_long_size(test_tep, long_size);
+
+ record.data = sizeof_event_data;
+ record.size = sizeof(sizeof_data);
+
+ sizeof_event = strdup(size_of_event);
+ CU_TEST(sizeof_event != NULL);
+
+ /* Set a new id */
+ p = strstr(sizeof_event, "ID: 2");
+ p[5] = '0' + value;
+
+ /* Handles endianess */
+ *(unsigned short *)sizeof_data = 20 + value;
+
+ CU_TEST(tep_parse_format(test_tep, &event, sizeof_event,
+ strlen(sizeof_event),
+ system) == TEP_ERRNO__SUCCESS);
+
+ trace_seq_reset(test_seq);
+ tep_print_event(test_tep, test_seq, &record, "%s", TEP_PRINT_INFO);
+ trace_seq_do_printf(test_seq);
+ CU_TEST(strcmp(test_seq->buffer, test_str) == 0);
+
+ free(sizeof_event);
+}
+
+static void test_parse_sizeof8(void)
+{
+ test_parse_sizeof(8, 3, "sizeof8", SIZEOF_LONG8_FMT);
+}
+
+static void test_parse_sizeof4(void)
+{
+ test_parse_sizeof(4, 4, "sizeof4", SIZEOF_LONG4_FMT);
+}
+
static int test_suite_destroy(void)
{
tep_free(test_tep);
@@ -330,4 +414,8 @@ void test_traceevent_lib(void)
test_parse_cpumask_bytep2);
CU_add_test(suite, "parse cpumask spanning all bytes",
test_parse_cpumask_bytepn);
+ CU_add_test(suite, "parse sizeof() 8byte values",
+ test_parse_sizeof8);
+ CU_add_test(suite, "parse sizeof() 4byte values",
+ test_parse_sizeof4);
}
--
2.35.1
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